Patents by Inventor Yi Chung JUAN
Yi Chung JUAN has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 9141207Abstract: A touch panel and a touch display device are disclosed, in which the touch panel includes a substrate, a touch component layer and a shielding-electrode film. The substrate has a surface. The touch component layer is disposed on the surface of the substrate and includes a metallic layer, an electrode layer, a protection layer and a hard coat layer. The protection layer is disposed between the metallic layer and the electrode layer. The hard coat layer at least covers the metallic layer and the electrode layer. The shielding-electrode film is disposed on the hard coat layer of the touch component layer, wherein the touch component layer is located between the substrate and the shielding-electrode film, and a resistance of the shielding-electrode film is greater than a resistance of the electrode layer.Type: GrantFiled: June 5, 2012Date of Patent: September 22, 2015Assignee: HannStar Display CorporationInventors: Hsu-Ho Wu, Sung-Chun Lin, Hsuan-Chen Liu, Yi-Chung Juan
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Patent number: 9013419Abstract: An embodiment of this invention provides a touch panel, which comprises a touch screen and a display. The touch screen comprises a patterned, transparent first conductive layer comprising a sensing pattern and a shielding pattern. The touch panel features in that the touch screen employs the sensing pattern as a sensing layer, and the display employs the shielding pattern as an electrostatic protection layer.Type: GrantFiled: October 20, 2011Date of Patent: April 21, 2015Assignee: Hannstar Display Corp.Inventors: Hsu-Ho Wu, Sung-Chun Lin, Yi-Chung Juan, Chang-Ching Yeh
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Patent number: 8922500Abstract: A projective capacitive touch sensor includes a substrate, a plurality of electrode layers and a plurality of dielectric layers. The electrode layers are arranged on the substrate along a first direction. At least one dielectric layer is formed on each electrode layer and the dielectric layer has different widths along a second direction.Type: GrantFiled: October 7, 2010Date of Patent: December 30, 2014Assignee: Hannstar Display Corp.Inventors: Yi Chung Juan, Chao Hui Wu, Hung Chang Chang
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Patent number: 8791917Abstract: A touch display device and a formation method thereof are provided. The touch display device includes a touch panel disposed on a first surface of a substrate of a display panel. A color filter layer is disposed on a second surface of the substrate. The touch panel includes a plurality of first and second conductive patterns arranged by two directions that are perpendicular to each other. A patterned isolation layer, having a first portion and a second portion, is formed over the first surface of the substrate, wherein the first portion is disposed at the intersection of the first and the second conductive patterns, and the second portion is disposed between the first and the second conductive patterns. The first portion has a height that is lower than a height of the second portion.Type: GrantFiled: March 30, 2012Date of Patent: July 29, 2014Assignee: Hannstar Display Corp.Inventors: Yi-Chung Juan, Kuo-Sheng Lee, Chang-Ching Yeh, Chien-Ting Chan, Sung-Chun Lin
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Publication number: 20140198060Abstract: A touch display apparatus including a display panel, a touch panel, a transparent conductive layer, and a conductive adhesive layer is provided. The touch panel is disposed on the display panel, and includes a cover lens, a touch device, and a shielding conductive ring. The touch device is disposed on the cover lens and located between the display panel and the cover lens. The shielding conductive ring is disposed on the cover lens and located between the display panel and the cover lens. The shielding conductive ring surrounds the touch device. The transparent conductive layer is disposed on the display panel and located between the display panel and the touch panel. The conductive adhesive layer is disposed between the display panel and the touch panel. The shielding conductive ring is electrically connected with the transparent conductive layer through the conductive adhesive layer.Type: ApplicationFiled: February 26, 2013Publication date: July 17, 2014Applicant: HANNSTAR DISPLAY CORPORATIONInventors: Hsu-Ho Wu, Chia-Hua Yu, Hsuan-Chen Liu, Yi-Chung Juan, Chang-Ching Yeh
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Patent number: 8766908Abstract: A touch panel is provided. The touch panel having a pixel area and a sensing area includes a first substrate and an opposite second substrate. A press sensing spacer is disposed on the sensing area of the first substrate. A press sensing stage is disposed on the sensing area of the second substrate, corresponding to the press sensing spacer. An alignment layer is disposed over the second substrate, covering the press sensing stage and the pixel area of the second substrate. In an embodiment, the height of the press sensing stage is greater than the height from the surface of the second substrate at the pixel area to the bottom of the alignment layer by at least 0.05 ?m.Type: GrantFiled: April 7, 2011Date of Patent: July 1, 2014Assignee: Hannstar Display Corp.Inventors: Hsuan-Chen Liu, Yi-Chung Juan, Sung-Chun Lin, Wei-Chi Lin
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Patent number: 8704800Abstract: A photo element includes a capacitor, a switch thin film transistor (TFT), a charge thin film transistor, and a photo thin film transistor. A voltage is charged to the capacitor through the charge TFT, and the output voltage of the capacitor is read through the readout line. The photo-induced current will affect the output voltage of the capacitor; therefore it is employed to determine whether the photo element is touched. Later, a reverse-biased voltage is applied to the photo TFT, such that the threshold voltage and sensitivity of the photo TFT can be maintained.Type: GrantFiled: April 30, 2010Date of Patent: April 22, 2014Assignee: Hannstar Display Corp.Inventors: Hung-Chang Chang, Yi-Chung Juan, Chao-Hui Wu
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Patent number: 8665234Abstract: Embodiments of the present invention employ resistance compensation to broaden voltage reading range of readout lines connected to a processing chip of an in cell touch panel. The resolution of the in cell touch panel is increased under the condition that the number of pins of the processing chip is not increased or is unchanged.Type: GrantFiled: May 26, 2011Date of Patent: March 4, 2014Assignee: HannStar Display Corp.Inventors: Yi-Chung Juan, Hsuan-Chen Liu, Sung-Chun Lin, Wen-Chi Lin
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Patent number: 8487890Abstract: An in-cell touch-sensitive panel includes TFT and CF substrates. The TFT substrate includes a net-shaped readout circuit and conductive pads arranged in array manner. The net-shaped readout circuit includes widthwise and lengthwise readout lines. The widthwise readout lines are electrically connected to the lengthwise readout lines. The conductive pads are electrically connected to the net-shaped readout circuit. Spacers are adapted to keep a first gap between the TFT and CF substrates. Protrudent portions are arranged to be corresponding to the conductive pads, and there is a second gap between the protrudent portion and the conductive pad. A transparent electrode covers the spacers and the protrudent portion.Type: GrantFiled: February 12, 2010Date of Patent: July 16, 2013Assignee: Hannstar Display CorpInventors: Yi Chung Juan, Chia Hua Yu, Sung Chun Lin, Hsu Ho Wu
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Publication number: 20130154961Abstract: A touch panel and a touch display device are disclosed, in which the touch panel includes a substrate, a touch component layer and a shielding-electrode film. The substrate has a surface. The touch component layer is disposed on the surface of the substrate and includes a metallic layer, an electrode layer, a protection layer and a hard coat layer. The protection layer is disposed between the metallic layer and the electrode layer. The hard coat layer at least covers the metallic layer and the electrode layer. The shielding-electrode film is disposed on the hard coat layer of the touch component layer, wherein the touch component layer is located between the substrate and the shielding-electrode film, and a resistance of the shielding-electrode film is greater than a resistance of the electrode layer.Type: ApplicationFiled: June 5, 2012Publication date: June 20, 2013Applicant: HANNSTAR DISPLAY CORPORATIONInventors: Hsu-Ho Wu, Sung-Chun Lin, Hsuan-Chen Liu, Yi-Chung Juan
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Publication number: 20130106727Abstract: A touch sensing device is disclosed. The device includes a transparent substrate having a sensing region and a non-sensing region enclosing the sensing region. A sensing structure is disposed on the transparent substrate in the sensing region. A shielding layer is disposed on the transparent substrate in the non-sensing region and exposes the sensing region. A specific pattern layer is disposed between the transparent substrate and the shielding layer and has a specific pattern, such that the shielding layer above the specific pattern layer has a first thickness and the shielding layer outside of the specific pattern layer has a second thickness greater than the first thickness. A passivation layer covers the sensing structure and the shielding layer. A method for fabricating the touch sensing device is also disclosed.Type: ApplicationFiled: February 23, 2012Publication date: May 2, 2013Inventors: Yi-Chung Juan, Hsuan-Chen Liu, Chang-Ching Yeh, Sung-Chun Lin
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Publication number: 20130098664Abstract: A resolution-adjustable touch panel and a manufacturing method thereof. The resolution-adjustable touch panel includes a substrate, a plurality of first, second, third and fourth sensor strings, and a flexible printed circuit. The flexible printed circuit board includes a plurality of first, second, third and fourth pins. The first and third pins are respectively and electrically connected to the first and third sensor strings, and the second and fourth pins are respectively and electrically connected to the second and fourth sensor strings by dummy pins. From this, a different-resolution touch panel can be made from the substrate with the same sensor string. Thus, the cost for masks can be reduced.Type: ApplicationFiled: August 22, 2012Publication date: April 25, 2013Applicant: HANNSTAR DISPLAY CORP.Inventors: Yi-Chung Juan, Hsuan-Chen Liu, Sung-Chun Lin, Wen-Chi Lin
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Publication number: 20130082944Abstract: A touch display device and a formation method thereof are provided. The touch display device includes a touch panel disposed on a first surface of a substrate of a display panel. A color filter layer is disposed on a second surface of the substrate. The touch panel includes a plurality of first and second conductive patterns arranged by two directions that are perpendicular to each other. A patterned isolation layer, having a first portion and a second portion, is formed over the first surface of the substrate, wherein the first portion is disposed at the intersection of the first and the second conductive patterns, and the second portion is disposed between the first and the second conductive patterns. The first portion has a height that is lower than a height of the second portion.Type: ApplicationFiled: March 30, 2012Publication date: April 4, 2013Inventors: Yi-Chung Juan, Kuo-Sheng Lee, Chang-Ching Yeh, Chien-Ting Chan, Sung-Chun Lin
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Publication number: 20130009886Abstract: An embodiment of this invention provides a touch panel, which comprises a touch screen and a display. The touch screen comprises a patterned, transparent first conductive layer comprising a sensing pattern and a shielding pattern. The touch panel features in that the touch screen employs the sensing pattern as a sensing layer, and the display employs the shielding pattern as an electrostatic protection layer.Type: ApplicationFiled: October 20, 2011Publication date: January 10, 2013Applicant: HANNSTAR DISPLAY CORP.Inventors: HSU-HO WU, SUNG-CHUN LIN, YI-CHUNG JUAN, CHANG-CHING YEH
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Publication number: 20120319990Abstract: A touch display device is provided. The touch display device includes a touch panel disposed on a display panel. The touch panel includes a plurality of first conductive patterns arranged along a first direction, wherein the first conductive patterns are separated from each other. A plurality of second conductive patterns is arranged along a second direction perpendicular to the first direction, wherein the second conductive patterns are connected with each other. An isolation structure is disposed between any two adjacent first conductive patterns. A plurality of conductive bridge structures is disposed on the isolation structure for electrically connecting any two adjacent first conductive patterns.Type: ApplicationFiled: November 28, 2011Publication date: December 20, 2012Inventors: Chien-Ting CHAN, Yi-Chung Juan, Kuo-Sheng Lee, Chang-Ching Yeh, Sung-Chun Lin
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Publication number: 20120127121Abstract: Embodiments of the present invention employ resistance compensation to broaden voltage reading range of readout lines connected to a processing chip of an in cell touch panel. The resolution of the in cell touch panel is increased under the condition that the number of pins of the processing chip is not increased or is unchanged.Type: ApplicationFiled: May 26, 2011Publication date: May 24, 2012Applicant: HANNSTAR DISPLAY CORP.Inventors: YI-CHUNG JUAN, HSUAN-CHEN LIU, SUNG-CHUN LIN, WEN-CHI LIN
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Publication number: 20110310036Abstract: A pixel array includes a plurality of pixels, data lines, readout lines and gate lines, wherein a data line and a readout line are alternatively disposed between every two adjacent pixels; two pixels adjacent to each data line are coupled to the same data line but coupled to different gate lines; and at least a part of the readout lines are coupled to one of the two pixels adjacent thereto. The present invention further provides a touch panel including the above pixel array.Type: ApplicationFiled: April 29, 2011Publication date: December 22, 2011Applicant: HANNSTAR DISPLAY CORP.Inventors: Yi Chung JUAN, Sung Chun LIN, Chia Hua YU
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Publication number: 20110248943Abstract: A touch panel is provided. The touch panel having a pixel area and a sensing area includes a first substrate and an opposite second substrate. A press sensing spacer is disposed on the sensing area of the first substrate. A press sensing stage is disposed on the sensing area of the second substrate, corresponding to the press sensing spacer. An alignment layer is disposed over the second substrate, covering the press sensing stage and the pixel area of the second substrate. In an embodiment, the height of the press sensing stage is greater than the height from the surface of the second substrate at the pixel area to the bottom of the alignment layer by at least 0.05 ?m.Type: ApplicationFiled: April 7, 2011Publication date: October 13, 2011Applicant: HANNSTAR DISPLAY CORP.Inventors: Hsuan-Chen Liu, Yi-Chung Juan, Sung-Chun Lin, Wei-Chi Lin
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Publication number: 20110102366Abstract: A projective capacitive touch sensor includes a substrate, a plurality of electrode layers and a plurality of dielectric layers. The electrode layers are arranged on the substrate along a first direction. At least one dielectric layer is formed on each electrode layer and the dielectric layer has different widths along a second direction.Type: ApplicationFiled: October 7, 2010Publication date: May 5, 2011Applicant: HANNSTAR DISPLAY CORP.Inventors: Yi Chung JUAN, Chao Hui WU, Hung Chang CHANG
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Publication number: 20110063252Abstract: A photo element includes a capacitor, a switch thin film transistor (TFT), a charge thin film transistor, and a photo thin film transistor. A voltage is charged to the capacitor through the charge TFT, and the output voltage of the capacitor is read through the readout line. The photo-induced current will affect the output voltage of the capacitor; therefore it is employed to determine whether the photo element is touched. Later, a reverse-biased voltage is applied to the photo TFT, such that the threshold voltage and sensitivity of the photo TFT can be maintained.Type: ApplicationFiled: April 30, 2010Publication date: March 17, 2011Applicant: HANNSTAR DISPLAY CORP.Inventors: Hung-Chang Chang, Yi-Chung Juan, Chao-Hui Wu